Free Online

Computer Security Courses and Certifications

Protect systems and data from cyber threats by mastering network security, ethical hacking, and incident response fundamentals. Learn from security experts on YouTube, MIT OpenCourseWare, and LinkedIn Learning, covering everything from malware defense to privacy protection for individuals and organizations.

1,286 courses
Related Subjects
  1. CompTIA Network+ (Plus) Courses
  2. Cisco Courses
  3. Information Technology Courses
  4. CompTIA Security+ (Plus) Courses
  5. Cybersecurity Courses
  6. Cryptography Courses
  7. Ethical Hacking Courses
  8. Malware Analysis Courses
Best Courses Guides

7 Best Network Security Courses in 2026

Master Network Security: protect systems, analyze traffic, configure firewalls, VPNs, and IDS/IPS, and design secure network architectures.

Read the Guide

  1. Cisco Network Security Master Class
  2. IBM

    Computer Networks and Network Security

  3. Data-Driven Network Security Essentials

  4. Cisco Network Security: Core Security Concepts

  5. Learning Cryptography and Network Security

  6. Introduction to Computer Networking - Beginner Crash Course

  7. Bluetooth & BLE: Deep Dive into Protocols and Security

All Computer Security Courses

Showing 1,286 courses
Filter by
Filters
  2. Level
  3. Duration
  4. Language
    • YouTube
    • 1 hour 30 minutes
    • Self-Paced
    • Free Video
    • Coursera
    • 4 weeks, 10 hours/week
    • Self-Paced
    • Paid Course
    • 4 courses
    • Coursera
    • 4 weeks, 5 hours/week
    • Self-Paced
    • Paid Course
    • 7 courses
    • Coursera
    • 2 hours 45 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 3 hours 24 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 2 hours 40 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 5 hours 44 minutes
    • Self-Paced
    • Paid Course

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.